CN115265219B - Two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube liquid separation condenser - Google Patents
Two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube liquid separation condenser Download PDFInfo
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- CN115265219B CN115265219B CN202210914972.6A CN202210914972A CN115265219B CN 115265219 B CN115265219 B CN 115265219B CN 202210914972 A CN202210914972 A CN 202210914972A CN 115265219 B CN115265219 B CN 115265219B
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- 238000000926 separation method Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 239000012533 medium component Substances 0.000 title claims abstract description 22
- 239000000306 component Substances 0.000 claims abstract description 97
- 230000005494 condensation Effects 0.000 claims abstract description 68
- 238000009833 condensation Methods 0.000 claims abstract description 68
- 238000009835 boiling Methods 0.000 claims abstract description 61
- 239000000498 cooling water Substances 0.000 claims abstract description 23
- 238000003466 welding Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/04—Auxiliary systems, arrangements, or devices for feeding, collecting, and storing cooling water or other cooling liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube liquid separation condenser, in particular to a condenser for non-azeotropic mixed working medium component separation, belonging to heat exchange equipment. The condenser comprises a high boiling point component condensing section, a liquid separating section and a low boiling point component condensing section. The high boiling point component condensing section consists of a working medium inlet connecting pipe, a front shell, a front pipe box, a front pipe plate, a front condensing pipe bundle, a front baffle plate and a front shell side inlet and outlet connecting pipe. The liquid separation section consists of an outer expansion shell, a liquid separation baffle, a fixed rod and a high boiling point component condensate outlet connecting pipe. The low boiling point component condensation section consists of a rear pipe box, a rear shell, a rear pipe plate, a rear condensation pipe bundle, a rear baffle plate, a rear shell side inlet outlet connecting pipe and a low boiling point component condensate outlet connecting pipe. By utilizing the difference of condensation temperatures of all components, cooling water with different temperatures is introduced into different condensation sections so as to realize sectional condensation and component separation, and condensate is timely discharged so as to improve heat exchange efficiency.
Description
Technical Field
The invention relates to a component separation type shell-and-tube liquid separation condenser for a two-flow binary non-azeotropic mixed working medium, which is suitable for component separation of mixed working medium in component-adjustable organic Rankine cycle and belongs to the field of thermodynamic cycle optimization design.
Background
Research shows that compared with the organic Rankine cycle using pure working medium, the thermal performance of the component-adjustable organic Rankine cycle using the non-azeotropic mixed working medium can be greatly improved, and the organic Rankine cycle is a power generation system with a very development prospect.
The component-adjustable organic Rankine cycle using non-azeotropic mixed working medium is generally to condensate the mixed working medium by introducing cooling water into a condenser, and then to separate components from the condensate by a rectifying tower after condensate of the mixed working medium is obtained. The condensation process and the component separation process of the flow are carried out separately, and the rectifying tower as the component separation equipment has complex structure and high cost.
Therefore, how to simplify the flow of condensation and component separation of the mixed working medium and reduce the equipment cost at the same time is a problem to be solved urgently by the person skilled in the art.
Disclosure of Invention
The invention provides a two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube type component liquid condenser which can be used for condensing mixed working medium and realizing component separation at the same time so as to solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: a two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube type component liquid condenser comprises a high-boiling point component condensing section, a liquid separation section and a low-boiling point component condensing section; the high boiling point component condensation section consists of a working medium inlet connecting pipe, a front pipe box, a front shell, a front pipe plate, a front condensation pipe bundle, a front baffle plate and a front shell side inlet and outlet connecting pipe; the liquid separation section consists of an outer expansion shell, a liquid separation baffle, a fixed rod and a high boiling point component condensate outlet connecting pipe; the low boiling point component condensation section consists of a rear pipe box, a rear shell, a rear pipe plate, a rear condensation pipe bundle, a rear baffle plate, a rear shell side inlet outlet connecting pipe and a low boiling point component condensate outlet connecting pipe; by utilizing the difference of condensation temperatures of all components, cooling water with different temperatures is introduced into different condensation sections so as to realize sectional condensation, and meanwhile, the purpose of component separation is achieved, and condensate is timely discharged so as to improve the heat exchange efficiency of the condenser.
The front shell side inlet connecting pipe is filled with cooling water 1, the temperature of the cooling water is between the condensation temperatures of the two components, and the cooling water is discharged from the front shell side outlet connecting pipe; the rear shell side inlet connection pipe is connected with cooling water 2, the temperature of the cooling water is lower than the condensation temperature of the low boiling point components, and the cooling water is discharged from the rear shell side outlet connection pipe.
The liquid separation section is connected with the high boiling point component condensation section and the low boiling point component condensation section by flanges.
The front condensing tube bundle length is greater than the rear condensing tube bundle length; the number of front baffles is greater than the number of rear baffles; the shell length of the high boiling point component condensation section is longer than that of the low boiling point component condensation section; the high-boiling-point component condensation section is used for condensing the high-boiling-point component and cooling the low-boiling-point component, and the low-boiling-point component condensation section is only used for condensing the low-boiling-point component, so that the heat exchange quantity and the heat exchange area of the high-boiling-point component condensation section are larger than those of the low-boiling-point component condensation section;
the expansion shell is formed by expanding the liquid separation section by 30 degrees of cone angle so as to accumulate high boiling point component condensate.
The high boiling point component condensate outlet connecting pipe is arranged below the outer expansion shell, and accumulated high boiling point component condensate is timely discharged through the high boiling point component condensate outlet connecting pipe, so that the heat exchange efficiency of the condenser is improved.
The liquid separation baffle is used for separating high boiling point component condensate carried in mixed working medium steam, and two baffles with different shapes are shared, wherein one baffle is a baffle with an inclination angle of 60 degrees, and each row of two baffles are respectively arranged at the leftmost end and the rightmost end of the liquid separation section; the baffle plate is formed by welding two baffle plates with an inclined angle of 60 degrees and is arranged at the middle position; and a space is reserved between each liquid separation baffle plate so as to discharge condensate.
The fixing rod passes through the liquid separating baffle to play a role in supporting and fixing and is respectively connected with the front tube plate and the rear tube plate in an expansion manner.
The beneficial technical effects of the invention are as follows: the invention provides a two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube type component liquid condenser, which changes the traditional mode of condensation and component separation of the non-azeotropic mixed working medium by using a condenser and a rectifying tower and provides a new mode for condensation and component separation of the non-azeotropic mixed working medium; the invention utilizes the difference of condensation temperatures of all components in the non-azeotropic mixed working medium, and realizes the sectional condensation by introducing cooling water with different temperatures into different condensation sections, and simultaneously achieves the purpose of component separation, and improves the heat exchange efficiency by timely discharging condensate.
Drawings
Fig. 1 is a front view of a shell-and-tube condenser of the present invention.
Fig. 2 is A-A view of fig. 1.
Fig. 3 is a B-B view of fig. 1.
Fig. 4 is a 3D view of the dispensing baffle of fig. 1.
In the figure: 1. front tube box, 2 working medium inlet connection tube, 3 front shell side outlet connection tube, 4 front condensation tube bundle, 5 front shell, 6 front baffle plate, 7 front tube plate, 8 outer expansion shell, 9 fixing rod, 10 liquid separation baffle, 11 rear shell side outlet connection tube, 12 rear shell, 13 rear baffle plate, 14 rear condensation tube bundle, 15 rear tube box, 16 low boiling component condensate outlet connection tube, 17 rear shell side inlet connection tube, 18 rear tube plate, 19 high boiling component condensate outlet connection tube, 20 front shell side inlet connection tube.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings and the detailed description, which are only illustrative of the present invention and are not intended to limit the present invention.
A multi-flow binary non-azeotropic mixed working medium shell-and-tube type component liquid condenser comprises a high-boiling component condensing section, a liquid separating section and a low-boiling component condensing section; the high boiling point component condensation section consists of a working medium inlet connecting pipe 2, a front pipe box 1, a front shell 5, a front pipe plate 7, a front condensation pipe bundle 4, a front baffle plate 6, a front shell side outlet connecting pipe 3 and a front shell side inlet connecting pipe 20; the liquid separation section consists of an outer expansion shell 8, a liquid separation baffle 10, a fixed rod 9 and a high boiling point component condensate outlet connecting pipe 19; the low boiling point component condensation section consists of a rear pipe box 15, a rear shell 12, a rear pipe plate 18, a rear condensation pipe bundle 14, a rear baffle 13, a rear shell side inlet connecting pipe 17, a rear shell side outlet connecting pipe 11 and a low boiling point component condensate outlet connecting pipe 16; by utilizing the difference of condensation temperatures of all components, cooling water with different temperatures is introduced into different condensation sections so as to realize sectional condensation, and meanwhile, the purpose of component separation is achieved, and condensate is timely discharged so as to improve the heat exchange efficiency of the condenser.
The high boiling point component condensation section and the low boiling point component condensation section adopt a countercurrent mode, cooling water 1 is introduced into the front shell side inlet connecting pipe 20, the temperature of the cooling water is between the condensation temperatures of the two components, and the cooling water is discharged from the front shell side outlet connecting pipe 3; the rear-shell-side inlet connection 17 is supplied with cooling water 2, the temperature of which is lower than the condensation temperature of the low-boiling components, and is discharged from the rear-shell-side outlet connection 11. By utilizing the difference of condensation temperatures of all components, cooling water with different temperatures is introduced into different condensation sections so as to realize sectional condensation and component separation.
The high boiling point component condensation section is used for condensing the high boiling point component and cooling the low boiling point component, and the low boiling point component condensation section is only used for condensing the low boiling point component, so that the heat exchange quantity and the heat exchange area of the high boiling point component condensation section are larger than those of the low boiling point component condensation section, and the length of the front condensation tube bundle 4 is larger than that of the rear condensation tube bundle 14; the number of the front baffle plates 6 is larger than that of the rear baffle plates 13; the front housing 5 is longer than the rear housing 12.
The outer expansion shell 8 is formed by a cone angle of 30 ° of the liquid separation section expansion to facilitate the collection of the high boiling point component condensate, which is then discharged through the high group condensate outlet nipple 19.
The high boiling point component condensate outlet connecting pipe 19 is arranged below the outer expansion shell 8, and accumulated high boiling point component condensate is timely discharged through the high boiling point component condensate outlet connecting pipe 19, so that the heat exchange efficiency of the condenser is improved.
The liquid separation baffle 10 is used for separating condensate liquid of high boiling point components carried in mixed working medium steam, and three rows are arranged; two baffles with different shapes are provided, one baffle is a baffle with an inclination angle of 60 degrees, and each row of two baffles are respectively arranged at the leftmost end and the rightmost end of the liquid separation section; the baffle plate is formed by welding two baffle plates with an inclined angle of 60 degrees and is arranged at the middle position; with a space left between each of the liquid separation baffles 10 to drain condensate.
The fixing rod 9 passes through the liquid separating baffle and is respectively connected with the front tube plate 7 and the rear tube plate 18 in an expanded mode, so that the supporting and fixing functions are achieved.
The liquid separation section is connected with the high boiling point component condensation section and the low boiling point component condensation section by flanges.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the present invention is not limited thereto, and any person skilled in the art, within the scope of the present invention, may apply to the present invention and equivalents thereof, and modifications and alterations will fall within the scope of the present invention.
Claims (8)
1. The two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube type component liquid condenser comprises a high-boiling point component condensation section, a liquid separation section and a low-boiling point component condensation section; the high boiling point component condensation section consists of a working medium inlet connecting pipe (2), a front pipe box (1), a front shell (5), a front pipe plate (7), a front condensation pipe bundle (4), a front baffle plate (6), a front shell side outlet connecting pipe (3) and a front shell side inlet connecting pipe (20); the liquid separation section consists of an outer expansion shell (8), a liquid separation baffle (10), a fixed rod (9) and a high boiling point component condensate outlet connecting pipe (19); the low boiling point component condensation section consists of a rear pipe box (15), a rear shell (12), a rear pipe plate (18), a rear condensation pipe bundle (14), a rear baffle plate (13), a rear shell side inlet connecting pipe (17), a rear shell side outlet connecting pipe (11) and a low boiling point component condensate outlet connecting pipe (16); by utilizing the difference of condensation temperatures of all components, cooling water with different temperatures is introduced into different condensation sections so as to realize sectional condensation, and meanwhile, the purpose of component separation is achieved, and condensate is timely discharged so as to improve the heat exchange efficiency of the condenser.
2. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the front shell side inlet connecting pipe (20) is filled with cooling water 1, the temperature of the cooling water is between the condensation temperatures of the two components, and the cooling water is discharged from the front shell side outlet connecting pipe (3); the rear shell side inlet connecting pipe (17) is connected with cooling water 2, the temperature of the cooling water is lower than the condensation temperature of the low boiling point components, and the cooling water is discharged from the rear shell side outlet connecting pipe (11).
3. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the liquid separation section is connected with the high boiling point component condensation section and the low boiling point component condensation section by flanges.
4. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the length of the front condensation tube bundle (4) is longer than that of the rear condensation tube bundle (14); the number of the front baffle plates (6) is larger than that of the rear baffle plates (13); the front housing (5) has a length greater than the rear housing (12).
5. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the outer expansion shell is formed by the cone angle of 30 degrees of the liquid separation section outer expansion so as to accumulate high boiling point component condensate.
6. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the high boiling point component condensate outlet connecting pipe (19) is arranged below the outer expansion shell (8), and accumulated high boiling point component condensate is timely discharged through the high boiling point component condensate outlet connecting pipe (19) so as to improve the heat exchange efficiency of the condenser.
7. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the liquid separation baffle (10) is used for separating condensate of high boiling point components carried in mixed working medium steam, two baffles with different shapes are shared, one baffle is a baffle with an inclined angle of 60 degrees, and each row of two baffles are respectively arranged at the leftmost end and the rightmost end of the liquid separation section; the baffle plate is formed by welding two baffle plates with an inclined angle of 60 degrees and is arranged at the middle position; and a space is reserved between each liquid separation baffle (10) so as to discharge condensate.
8. The two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser according to claim 1, wherein the two-flow binary zeotropic mixed working medium component separation type shell-and-tube split liquid condenser is characterized in that: the fixing rod (9) passes through the liquid separating baffle (10) to play a role in supporting and fixing and is respectively connected with the front tube plate (7) and the rear tube plate (18) in an expansion mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210914972.6A CN115265219B (en) | 2022-08-01 | 2022-08-01 | Two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube liquid separation condenser |
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| CN202210914972.6A CN115265219B (en) | 2022-08-01 | 2022-08-01 | Two-flow binary non-azeotropic mixed working medium component separation type shell-and-tube liquid separation condenser |
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| CN115265219A CN115265219A (en) | 2022-11-01 |
| CN115265219B true CN115265219B (en) | 2024-06-18 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022867A (en) * | 2009-09-14 | 2011-04-20 | 珠海格力电器股份有限公司 | Shell and tube type condenser for heat recovery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3448377B2 (en) * | 1994-11-09 | 2003-09-22 | 三洋電機株式会社 | Refrigeration system using non-azeotropic refrigerant mixture |
| DE19653256A1 (en) * | 1996-12-20 | 1998-06-25 | Asea Brown Boveri | Binary / polynary condensation capacitor |
| US20030221818A1 (en) * | 2002-05-28 | 2003-12-04 | Gentry Matthew C. | Reflux condenser system for improved fluids separation |
| CN201106994Y (en) * | 2007-10-11 | 2008-08-27 | 杭州西湖真空设备厂 | Asymmetry type high-efficiency condenser |
| CN209147786U (en) * | 2018-11-04 | 2019-07-23 | 刘学生 | Low pressure reaction water condenser |
| CN114768281A (en) * | 2022-05-30 | 2022-07-22 | 朱丹 | Complete equipment combined by solid-liquid separation and binary component organic solvent purification |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102022867A (en) * | 2009-09-14 | 2011-04-20 | 珠海格力电器股份有限公司 | Shell and tube type condenser for heat recovery |
Non-Patent Citations (1)
| Title |
|---|
| 带有中间分液结构的管壳式冷凝器实验研究;李连涛;诸凯;刘圣春;王华峰;;化工进展;20160505(05);全文 * |
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